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Olajide JS, Qu Z, Yang S, Yang B, Xu X, Wang J, Cai J. Quantitative proteomic analysis of local and systemic extracellular vesicles during Eimeria falciformis infectious cycle in the host. Parasit Vectors 2023; 16:339. [PMID: 37759313 PMCID: PMC10523797 DOI: 10.1186/s13071-023-05906-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/27/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Extracellular vesicles (EVs) are membranous structures that are formed during pathophysiology, host-parasite interactions and parasite motility. Typically, apicomplexan-infected host cells secrete EVs which traverse local and systemic strata of the host as the parasites develop. METHODS Extracellular vesicles were isolated from the caecum and serum of Eimeria falciformis-infected mice during oocyst ingestion (0 h post-infection [0 hpi]), merozont stages 1 and 2 (68 and 116 hpi), oocyst shedding (7 days post-infection [7 dpi]) and host recovery (10 dpi) and subsequently characterized and profiled by tandem mass tag (TMT). RESULTS With the progression of E. falciformis life stages, subpopulation of EVs bearing EV biomarkers, including CD9, CD82, heat shock protein 70 (HSP70) and major histocompatibility complex (MHC) molecules, increased. A total of 860 and 1024 differentially expressed proteins were identified in serum EVs (sEVs) and caecum EVs (cEVs), respectively. Identified immune-related molecules (such as cytokines, receptors, immunoglobins, complements, hormones, inflammasomes), ion exchange and cell death-associated proteins were significantly expressed, at least during the E. falciformis first and second merozont stages. Bioinformatics assessment indicated that sEV proteins were at all time points implicated in antigen processing and presentation as well as natural killer cell-mediated cytotoxicity (68 hpi), complement activation/blood coagulation (116 hpi/10 dpi) and catabolic activities (7 dpi). In contrast, cEV proteins were involved in catabolic process, ion transport and antigen presentation (68 and 116 hpi). Host response to E. falciformis infection was similar to intestinal bacterium at 7 dpi and cell adhesion and intercellular protein transport at 10 dpi. In both systems, ferroptosis and necroptosis were common across the parasite's infectious cycle while apoptosis occurred at 68 hpi. CONCLUSION The proteomic data indicate that E. falciformis infection co-opts cellular and humoral responses through EV secretions, and that, host cell death and ionic imbalance are associated with E. falciformis infection. This study offers additional insight into host-parasite interactions and host regulatory EV proteins as potential disease indicators or diagnostic molecules.
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Affiliation(s)
- Joshua Seun Olajide
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
- Centre for Distance Learning, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Zigang Qu
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Shunli Yang
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
- College of Animal Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Bin Yang
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Xiao Xu
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Jing Wang
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China
| | - Jianping Cai
- State Key Laboratory of Animal Disease Control and Prevention, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046, China.
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Olajide JS, Xiong L, Yang S, Qu Z, Xu X, Yang B, Wang J, Liu B, Ma X, Cai J. Eimeria falciformis secretes extracellular vesicles to modulate proinflammatory response during interaction with mouse intestinal epithelial cells. Parasit Vectors 2022; 15:245. [PMID: 35804396 PMCID: PMC9270845 DOI: 10.1186/s13071-022-05364-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 06/15/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Protozoan parasite secretions can be triggered by various modified media and diverse physicochemical stressors. Equally, host-parasite interactions are known to co-opt the exchange and secretion of soluble biochemical components. Analysis of Eimeria falciformis sporozoite secretions in response to interaction with mouse intestinal epithelial cells (MIECs) may reveal parasite secretory motifs, protein composition and inflammatory activities of E. falciformis extracellular vesicles (EVs). METHODS Eimeria falciformis sporozoites were allowed to interact with inactivated MIECs. Parasite secretions were separated into EV and vesicle-free (VF) fractions by discontinuous centrifugation and ultracentrifugation. Secreted EVs were purified in an iodixanol density gradient medium and the protein composition of both EV and VF fractions were analyzed by liquid chromatoraphy-tandem mass spectroscopy. The inflammatory activities of E. falciformis sporozoite EV on MIECs were then investigated. RESULTS During the interaction of E. falciformis sporozoites with inactivated MIECs, the parasite secreted VF and vesicle-bound molecules. Eimeria falciformis vesicles are typical pathogenic protozoan EVs with a mean diameter of 264 ± 2 nm, and enclosed heat shock protein (Hsp) 70 as classical EV marker. Refractile body-associated aspartyl proteinase (or eimepsin), GAP45 and aminopeptidase were the main components of E. falciformis sporozoite EVs, while VF proteins include Hsp90, actin, Vps54 and kinases, among others. Proteomic data revealed that E. falciformis EV and VF proteins are aggregates of bioactive, antigenic and immunogenic molecules which act in concert for E. falciformis sporozoite motility, pathogenesis and survival. Moreover, in MIECs, E. falciformis EVs induced upregulation of gene expression and secretion of IL-1β, IL-6, IL-17, IL-18, MCP1 as well as pyroptosis-dependent caspase 11 and NLRP6 inflammasomes with the concomitant secretion of lactate dehydrogenase. CONCLUSIONS Eimeria falciformis sporozoite interaction with MIECs triggered the secretion of immunogenic and antigenic proteins. In addition, E. falciformis sporozoite EVs constitute parasite-associated molecular pattern that induced inflammatory response and cell death. This study offers additional insight in the secretion and protein composition of E. falciformis secretomes as well as the proinflammatory functions of E. falciformis sporozoite EVs.
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Affiliation(s)
- Joshua Seun Olajide
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
- Centre for Distance Learning, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Ling Xiong
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Shunli Yang
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Zigang Qu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Xiao Xu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Bin Yang
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Jing Wang
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Baohong Liu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Xueting Ma
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
| | - Jianping Cai
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, 730046 China
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Jarquín‐Díaz VH, Balard A, Mácová A, Jost J, Roth von Szepesbéla T, Berktold K, Tank S, Kvičerová J, Heitlinger E. Generalist Eimeria species in rodents: Multilocus analyses indicate inadequate resolution of established markers. Ecol Evol 2020; 10:1378-1389. [PMID: 32076521 PMCID: PMC7029063 DOI: 10.1002/ece3.5992] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/13/2019] [Accepted: 12/20/2019] [Indexed: 11/23/2022] Open
Abstract
Intracellular parasites of the genus Eimeria are described as tissue/host-specific. Phylogenetic classification of rodent Eimeria suggested that some species have a broader host range than previously assumed. We explore whether Eimeria spp. infecting house mice are misclassified by the most widely used molecular markers due to a lack of resolution, or whether, instead, these parasite species are indeed infecting multiple host species.With the commonly used markers (18S/COI), we recovered monophyletic clades of E. falciformis and E. vermiformis from Mus that included E. apionodes identified in other rodent host species (Apodemus spp., Myodes glareolus, and Microtus arvalis). A lack of internal resolution in these clades could suggest the existence of a species complex with a wide host range infecting murid and cricetid rodents. We question, however, the power of COI and 18S markers to provide adequate resolution for assessing host specificity. In addition to the rarely used marker ORF470 from the apicoplast genome, we present multilocus genotyping as an alternative approach. Phylogenetic analysis of 35 nuclear markers differentiated E. falciformis from house mice from isolates from Apodemus hosts. Isolates of E. vermiformis from Mus are still found in clusters interspersed with non-Mus isolates, even with this high-resolution data.In conclusion, we show that species-level resolution should not be assumed for COI and 18S markers in coccidia. Host-parasite cospeciation at shallow phylogenetic nodes, as well as contemporary coccidian host ranges more generally, is still open questions that need to be addressed using novel genetic markers with higher resolution.
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Affiliation(s)
- Víctor Hugo Jarquín‐Díaz
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
- Leibniz‐Institut für Zoo‐ und Wildtierforschung (IZW) im Forschungsverbund Berlin e.VBerlinGermany
| | - Alice Balard
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
- Leibniz‐Institut für Zoo‐ und Wildtierforschung (IZW) im Forschungsverbund Berlin e.VBerlinGermany
| | - Anna Mácová
- Department of ParasitologyFaculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
| | - Jenny Jost
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
| | - Tabea Roth von Szepesbéla
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
| | - Karin Berktold
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
| | - Steffen Tank
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
| | - Jana Kvičerová
- Department of ParasitologyFaculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
| | - Emanuel Heitlinger
- Department of Molecular ParasitologyInstitute for BiologyHumboldt University Berlin (HU)BerlinGermany
- Leibniz‐Institut für Zoo‐ und Wildtierforschung (IZW) im Forschungsverbund Berlin e.VBerlinGermany
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Yunus M, Horii Y, Makimura S, Smith AL. Murine goblet cell hypoplasia during Eimeria pragensis infection is ameliorated by clindamycin treatment. J Vet Med Sci 2005; 67:311-5. [PMID: 15805736 DOI: 10.1292/jvms.67.311] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The goblet cell (GC) and the intestinal mucus are important in preventing invasion of the mucosa by luminal microorgansisms. GC responses in the jejenum, cecum and colon of C57BL/6 mice during the course of infection with the large intestinal-tropic coccidian, Eimeria pragensis (E. pragensis), were investigated histologically. The numbers of large intestinal GCs (cecum and colon) gradually decreased (hypoplasia) in association with development of endogenous stages of parasite life cycle. The effect was transient and recovery of GC numbers was associated with resolution of coccidial infection. The jejunal GC numbers were not affected by E. pragensis infection. Clindamycin treatment in the infected mice reduced numbers of intracellular parasites and significantly increased the numbers of large intestinal GCs compared with untreated, infected mice.
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Affiliation(s)
- Muchammad Yunus
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Science, Faculty of Agriculture, University of Miyazaki, Gakuen-Kibamadai Nishi 1-1 Miyazaki 889-2192, Japan
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Yunus M, Horii Y, Makimura S, Smith AL. The Relationship Between the Anticoccidial Effects of Clindamycin and the Development of Immunity in the Eimeria pragensis/Mouse Model of Large Intestinal Coccidiosis. J Vet Med Sci 2005; 67:165-70. [PMID: 15750312 DOI: 10.1292/jvms.67.165] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The therapeutic effect of clindamycin on Eimeria pragensis (E. pragensis) infection in C57BL/6 mice was demonstrated by suppression of oocyst production and the appearance of degenerated endogenous stages of parasite in the intestine. Short-term clindamycin treatment, from 1 to 4 days or 4 to 8 days post infection (pi) at a dose of 800 mg/kg/day was effective to reduce clinical symptoms, oocyst production and schizogonic development. Interestingly, the short-term treatment schedules allowed the development of a measurable degree of protective immunity to challenge infection in the treated mice. In contrast, clindamycin treatment for the full 12 days period, which almost completely inhibited clinical symptoms and oocyst output, prevented the full development of protective immunity in the treated mice. All these data indicate that clindamycin is efficacious as an anti-eimerian agent and that both early and late endogenous developmental stages of E. pragensis exert a deep influence on the development of effective immunity to challenge infection.
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Affiliation(s)
- Muchammad Yunus
- Department of Veterinary Science, Faculty of Agriculture, Miyazaki University, 1-1 Gakuen-Kibanadai Nishi, Miyazaki 889-2192, Japan
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Rhee JK, Jang BG, Park BK. Oocyst production and immunogenicity of Cryptosporidium baileyi in chickens and mallards. THE KOREAN JOURNAL OF PARASITOLOGY 1995; 33:45-54. [PMID: 7735785 DOI: 10.3347/kjp.1995.33.1.45] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Two-day-old chickens and mallards were orally inoculated with one of 5 doses varying from 2 x 10(2) to 2 x 10(6) of C. baileyi oocysts per individual. Generally, the more oocysts inoculated were, the longer the patent periods were, and the more oocysts shedding were. Meanwhile increasing the inoculative dose, the prepatent periods were shortened except that mallards inoculated with 2 x 10(2) and 2 x 10(3) oocysts failed to produce the oocysts. The more parasites involving oocysts appeared from the chicken in comparison to the mallard. In the chickens challenged with a single dose of 2 x 10(6) oocysts, a small number of oocysts were detected from feces on days 4-14 after challenge infection (ACI) in all of carrageenan administered groups and in the control groups inoculated with 2 x 10(2) and 2 x 10(3) oocysts. In the mallards, a few oocysts were also recognized on days 5-15 ACI in all of carrageenan treated groups and in the control groups inoculated with 2 x 10(2), 2 x 10(3) and 2 x 10(4) oocysts. Just prior to challenge infection, phagocytic activity of peritoneal macrophages (Mø) and the number of peripheral Mø in both birds were significantly decreased in the carrageenan treated groups as compared to the control groups. Mild challenge infection in both birds denoted that the immunogenicity of C. baileyi to the birds was very strong, despite Mø blocker carrageenan administration.
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Affiliation(s)
- J K Rhee
- Department of Parasitology, School of Veterinary Medicine, Chonbuk National University, Chonju, Korea
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Bekhti K, Pery P. In vitro interactions between murine macrophages and Eimeria falciformis sporozoites. RESEARCH IN IMMUNOLOGY 1989; 140:697-709. [PMID: 2595081 DOI: 10.1016/0923-2494(89)90023-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A short-term (2 h) assay was used to investigate the in vitro fate of Eimeria falciformis sporozoites in murine peritoneal macrophages. In minimal medium, uptake of sporozoites was low by both normal (naive) and immune macrophages. However, when heat-inactivated serum from immune mice was added to the incubation medium, sporozoite uptake was much more efficient. Sporozoite lysis was observed only in immune macrophages and required both antibodies and complement. Pretreatment of immune macrophages with chloroquine inhibited sporozoite lysis and resulted in an accumulation of sporozoites within the cells. Immunoabsorption assays revealed that IgG2a was the major isotype mediating entry of sporozoites into macrophages, both in early (6 days post-primary) and late (second) infections.
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Affiliation(s)
- K Bekhti
- Institut National de la Recherche Agronomique, Centre de Recherches de Jouy-en-Josas, France
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Adams JH, Todd KS. Transmission electron microscopy of intracellular sporozoites of Eimeria vermiformis (Apicomplexa, Eucoccidiida) in the mouse. THE JOURNAL OF PROTOZOOLOGY 1983; 30:114-8. [PMID: 6864592 DOI: 10.1111/j.1550-7408.1983.tb01043.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Sporozoites of Eimeria vermiformis from the mouse were first seen in the epithelial cells of villus tips and the crypts of Lieberkühn four hours after inoculation (HAI). They were always within a parasitophorous vacuole. By 12 HAI, most were in crypt epithelial cells between the basement membrane and host cell nucleus. The sporozoites in the villus tips had 26 subpellicular microtubules, two polar rings, two preconoidal rings, two refractile bodies surrounded by amylopectin-like granules, a lamellar Golgi apparatus, numerous micronemes, and rhoptries. The sporozoites in the crypt cells had fewer amylopectin-like granules, micronemes, and rhoptries. A nucleolus was visible, as were pieces broken off from the posterior refractile body. Later, the sporozoites folded over to become U-shaped; the infolded membranes fused; and then the inner membranes disappeared so that spherical meronts were formed. Folding sporozoites were first seen 16 HAI and persisted until 52 HAI.
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Pollari FL, Speer CA. Scanning electron microscopy of merogonous stages of Eimeria falciformis var. pragensis in Mus musculus. ZEITSCHRIFT FUR PARASITENKUNDE (BERLIN, GERMANY) 1981; 66:99-108. [PMID: 7324544 DOI: 10.1007/bf00941950] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Asexual stages of Eimeria falciformis var. pragensis in Swiss-Webster mice were studied by scanning electron microscopy. Sporozoites were present in the cecum and colon 2 h post-inoculation (PI) and measured 11.3 X 2.1 micrometer (9-13.9 X 2-2.2 micrometer). Sporozoites penetrated epithelial cells with an extended anterior end and were constricted at the site of entry. Asexual generations were found in the cecum and colon epithelial cells. In meronts found at days 3-9 PI, merozoites matured synchronously, were oriented in the same direction, and were arranged in a helical pattern. Such meronts measured 11.3 X 6.4 micrometer (8-13.7 X 5-7.4 micrometer) and contained 8-12 merozoites, which measured 11.9 X 1.5 micrometer (7.4-15.7 X 1.3-1.8 micrometer). Meronts which were present at day 7 PI measured 9.5 X 8.2 micrometer (9-10.5 X 7-9.5 micrometer) and contained 20-50 small merozoites which budded asynchronously from a central residuum. At days 3-7 PI, parasitized epithelial cells had shorter and fewer or no microvilli. The lumenal plasmalemma of the host cell was often disrupted or absent in cells containing mature meronts and escaping merozoites. At day 6 PI, phagocytic cells appeared on the epithelial surface, some of which were in contact with merozoites. Small foci of exposed basal lamina were present at day 7 PI in areas where cells had sloughed from the epithelium.
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Mesfin G, Bellamy J. Immunogenicity of the different stages of Eimeria falciformis var. pragensis. Vet Parasitol 1980. [DOI: 10.1016/0304-4017(80)90064-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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